Foes of Detroit's bankruptcy line up

Monday night marks the last time people can challenge the city on whether its municipal bankruptcy should be allowed to proceed.

Pension funds and representatives from Detroit's emergency manager's office will meet on Monday -- the first time the two sides have sat down for talks since the city filed for bankruptcy last month.

The move came as creditors, unions and retirees filed objections to Detroit's bankruptcy filing.

The objections, due by 11:59 pm ET on Monday, mark the next step in challenges to whether the largest municipal bankruptcy in the nation's history should be allowed to proceed.

Detroit filed for bankruptcy last month when the state-appointed emergency manager Kevyn Orr and Michigan Gov. Rick Snyder said the city could not pay its $11.5 billion in liabilities associated with pension benefits, retiree health care costs and unsecured debt held by investors.

But the question of whether Detroit can qualify for municipal bankruptcy, known as Chapter 9, remains.